<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div data-test="qwer" data-address-id="cd"></div>

  <script>
    var div = document.querySelectorAll('div')[0]

    console.dir(div)
    console.log(div.dataset)
    
    console.log(div.dataset.addressId)  // js 合法的命名规范  字母 数字 _ $
  </script>
</body>
</html>